<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<form>
			姓名：<input type="text"  name="username" required/><br />
			年龄：<input type="number"  name="age" min="0" required/><br />
			出生日期：<input type="date"  min="2015-01-01" max="2022-12-31" required/><br />
			Email：<input type="email" required  /><br />
			个人主页：<input type="url" required  /><br />
			个人简介：<textarea rows="3" cols="20" required></textarea><br />
			<input type="submit" />
		</form>
	</body>
</html>
